diff options
Diffstat (limited to 'com32/elflink/ldlinux/ipappend.c')
| -rw-r--r-- | com32/elflink/ldlinux/ipappend.c | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/com32/elflink/ldlinux/ipappend.c b/com32/elflink/ldlinux/ipappend.c new file mode 100644 index 00000000..bd000920 --- /dev/null +++ b/com32/elflink/ldlinux/ipappend.c @@ -0,0 +1,58 @@ +/* ----------------------------------------------------------------------- * + * + * Copyright 2008 H. Peter Anvin - All Rights Reserved + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, + * copy, modify, merge, publish, distribute, sublicense, and/or + * sell copies of the Software, and to permit persons to whom + * the Software is furnished to do so, subject to the following + * conditions: + * + * The above copyright notice and this permission notice shall + * be included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT + * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * ----------------------------------------------------------------------- */ + +/* + * syslinux/ipappend.c + * + * Get ipappend strings + */ + +#include <syslinux/config.h> +#include <klibc/compiler.h> +#include <com32.h> + +struct syslinux_ipappend_strings __syslinux_ipappend_strings; +static const char *syslinux_ipappend_string_list[32]; + +void __constructor __syslinux_get_ipappend_strings(void) +{ + static com32sys_t reg; + int i; + + reg.eax.w[0] = 0x000f; + __intcall(0x22, ®, ®); + + if (!(reg.eflags.l & EFLAGS_CF)) { + __syslinux_ipappend_strings.count = reg.ecx.w[0]; + __syslinux_ipappend_strings.ptr = syslinux_ipappend_string_list; + for (i = 0; i < reg.ecx.w[0]; i++) { + syslinux_ipappend_string_list[i] = + MK_PTR(reg.es, + *(uint16_t *) MK_PTR(reg.es, reg.ebx.w[0] + i * 2)); + } + } +} |